<?php
/*
 * Copyright (C) 2005-2011 Alfresco Software Limited.
 *
 * This file is part of Alfresco
 *
 * Alfresco is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Alfresco is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * Version history class.
 *
 * @author Roy Wetherall
 */
class VersionHistory extends BaseObject {
	/**
	 * Node to which this version history relates
	 * @var \Node
	 */
	private $_node;

	/** Array of versions */
	private $_versions;

	/**
	 * Constructor
	 *
	 * @param Node $node the node that this version history apples to
	 */
	public function __construct(Node $node) {
		$this->_node = $node;
		$this->populateVersionHistory();
	}

	/**
	 * Get the node that this version history relates to
	 *
	 * @return \Node
	 */
	public function getNode() {
		return $this->_node;
	}

	/**
	 * Get a list of the versions in the version history
	 */
	public function getVersions() {
		return $this->_versions;
	}

	/**
	 * Populate the version history
	 */
	private function populateVersionHistory() {
		// Use the web service API to get the version history for this node
		/** @var $client AlfrescoWebService */
		$client = WebServiceFactory::getAuthoringService($this->_node->session->repository->connectionUrl, $this->_node->session->ticket);
		$result = $client->getVersionHistory(array("node" => $this->_node->__toArray()));

		// TODO populate the version history from the result of the web service call
	}
}

?>